Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315991 | Very low expansion sealing frits | Francis W. Martin | 1982-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315991 | Very low expansion sealing frits | Francis W. Martin | 1982-02-16 |